TT21K9 carbide mixtures T5K10 carbide mixtures Compacted powder material, grade BK15B VK20KS carbide mixtures VK6 carbide mixtures TT7K12 carbide mixtures VK10 carbide mixtures VK8 carbide mixtures VK25 carbide mixtures VK8B carbide mixtures VK20 carbide mixtures VK15 carbide mixtures VK12KS carbide mixtures VK11VK carbide mixtures VK8VK carbide mixtures VK4 carbide mixtures Compact powder material grade BK20KS VK3 carbide mixtures VK10OM carbide mixtures T15K6 carbide mixtures VK10KS carbide mixtures Carbide mixtures of TT20K9 grade T30K4 carbide mixtures